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spark-instrumented-optimizer/sql/core/benchmarks/OrcV2NestedSchemaPruningBenchmark-results.txt

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[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
================================================================================================
Nested Schema Pruning Benchmark For ORC v2
================================================================================================
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Selection: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 135 169 19 7.4 134.7 1.0X
Nested column 2131 2216 95 0.5 2131.4 0.1X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Limiting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 147 158 10 6.8 146.9 1.0X
Nested column 2149 2204 50 0.5 2148.9 0.1X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Repartitioning: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 386 399 16 2.6 385.8 1.0X
Nested column 2612 2666 57 0.4 2612.2 0.1X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Repartitioning by exprs: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 392 454 119 2.5 392.2 1.0X
Nested column 4106 4168 79 0.2 4106.1 0.1X
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Sample: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
Top-level column 146 157 13 6.9 145.9 1.0X
Nested column 2294 2338 44 0.4 2293.6 0.1X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Sorting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 290 294 4 3.5 289.7 1.0X
Nested column 2914 2997 87 0.3 2913.6 0.1X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
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